#include "cache.h"
#include "strbuf.h"
#include "string-list.h"
+#include "dir.h"
static int get_st_mode_bits(const char *path, int *mode)
{
return cleanup_path(buf);
}
-static void vsnpath(struct strbuf *buf, const char *fmt, va_list args)
+static int dir_prefix(const char *buf, const char *dir)
{
- const char *git_dir = get_git_dir();
- strbuf_addstr(buf, git_dir);
+ int len = strlen(dir);
+ return !strncmp(buf, dir, len) &&
+ (is_dir_sep(buf[len]) || buf[len] == '\0');
+}
+
+/* $buf =~ m|$dir/+$file| but without regex */
+static int is_dir_file(const char *buf, const char *dir, const char *file)
+{
+ int len = strlen(dir);
+ if (strncmp(buf, dir, len) || !is_dir_sep(buf[len]))
+ return 0;
+ while (is_dir_sep(buf[len]))
+ len++;
+ return !strcmp(buf + len, file);
+}
+
+static void replace_dir(struct strbuf *buf, int len, const char *newdir)
+{
+ int newlen = strlen(newdir);
+ int need_sep = (buf->buf[len] && !is_dir_sep(buf->buf[len])) &&
+ !is_dir_sep(newdir[newlen - 1]);
+ if (need_sep)
+ len--; /* keep one char, to be replaced with '/' */
+ strbuf_splice(buf, 0, len, newdir, newlen);
+ if (need_sep)
+ buf->buf[newlen] = '/';
+}
+
+static const char *common_list[] = {
+ "/branches", "/hooks", "/info", "!/logs", "/lost-found",
+ "/objects", "/refs", "/remotes", "/worktrees", "/rr-cache", "/svn",
+ "config", "!gc.pid", "packed-refs", "shallow",
+ NULL
+};
+
+static void update_common_dir(struct strbuf *buf, int git_dir_len)
+{
+ char *base = buf->buf + git_dir_len;
+ const char **p;
+
+ if (is_dir_file(base, "logs", "HEAD") ||
+ is_dir_file(base, "info", "sparse-checkout"))
+ return; /* keep this in $GIT_DIR */
+ for (p = common_list; *p; p++) {
+ const char *path = *p;
+ int is_dir = 0;
+ if (*path == '!')
+ path++;
+ if (*path == '/') {
+ path++;
+ is_dir = 1;
+ }
+ if (is_dir && dir_prefix(base, path)) {
+ replace_dir(buf, git_dir_len, get_git_common_dir());
+ return;
+ }
+ if (!is_dir && !strcmp(base, path)) {
+ replace_dir(buf, git_dir_len, get_git_common_dir());
+ return;
+ }
+ }
+}
+
+void report_linked_checkout_garbage(void)
+{
+ struct strbuf sb = STRBUF_INIT;
+ const char **p;
+ int len;
+
+ if (!git_common_dir_env)
+ return;
+ strbuf_addf(&sb, "%s/", get_git_dir());
+ len = sb.len;
+ for (p = common_list; *p; p++) {
+ const char *path = *p;
+ if (*path == '!')
+ continue;
+ strbuf_setlen(&sb, len);
+ strbuf_addstr(&sb, path);
+ if (file_exists(sb.buf))
+ report_garbage("unused in linked checkout", sb.buf);
+ }
+ strbuf_release(&sb);
+}
+
+static void adjust_git_path(struct strbuf *buf, int git_dir_len)
+{
+ const char *base = buf->buf + git_dir_len;
+ if (git_graft_env && is_dir_file(base, "info", "grafts"))
+ strbuf_splice(buf, 0, buf->len,
+ get_graft_file(), strlen(get_graft_file()));
+ else if (git_index_env && !strcmp(base, "index"))
+ strbuf_splice(buf, 0, buf->len,
+ get_index_file(), strlen(get_index_file()));
+ else if (git_db_env && dir_prefix(base, "objects"))
+ replace_dir(buf, git_dir_len + 7, get_object_directory());
+ else if (git_common_dir_env)
+ update_common_dir(buf, git_dir_len);
+}
+
+static void do_git_path(struct strbuf *buf, const char *fmt, va_list args)
+{
+ int gitdir_len;
+ strbuf_addstr(buf, get_git_dir());
if (buf->len && !is_dir_sep(buf->buf[buf->len - 1]))
strbuf_addch(buf, '/');
+ gitdir_len = buf->len;
strbuf_vaddf(buf, fmt, args);
+ adjust_git_path(buf, gitdir_len);
strbuf_cleanup_path(buf);
}
-char *git_snpath(char *buf, size_t n, const char *fmt, ...)
+void strbuf_git_path(struct strbuf *sb, const char *fmt, ...)
{
- struct strbuf sb = STRBUF_INIT;
va_list args;
va_start(args, fmt);
- vsnpath(&sb, fmt, args);
+ do_git_path(sb, fmt, args);
va_end(args);
- if (sb.len >= n)
- strlcpy(buf, bad_path, n);
- else
- memcpy(buf, sb.buf, sb.len + 1);
- strbuf_release(&sb);
- return buf;
+}
+
+const char *git_path(const char *fmt, ...)
+{
+ struct strbuf *pathname = get_pathname();
+ va_list args;
+ va_start(args, fmt);
+ do_git_path(pathname, fmt, args);
+ va_end(args);
+ return pathname->buf;
}
char *git_pathdup(const char *fmt, ...)
struct strbuf path = STRBUF_INIT;
va_list args;
va_start(args, fmt);
- vsnpath(&path, fmt, args);
+ do_git_path(&path, fmt, args);
va_end(args);
return strbuf_detach(&path, NULL);
}
return cleanup_path(pathname->buf);
}
-const char *git_path(const char *fmt, ...)
-{
- struct strbuf *pathname = get_pathname();
- va_list args;
- va_start(args, fmt);
- vsnpath(pathname, fmt, args);
- va_end(args);
- return pathname->buf;
-}
-
void home_config_paths(char **global, char **xdg, char *file)
{
char *xdg_home = getenv("XDG_CONFIG_HOME");